diff options
| author | qwang12 <qwang12@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-07-22 01:55:31 +0000 |
|---|---|---|
| committer | qwang12 <qwang12@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-07-22 01:55:31 +0000 |
| commit | c69a09d928ca6f3f2785424b5e4eb50ec4dceae3 (patch) | |
| tree | 67c97b4a895c16052df2e9c1159c4a61f2f1c4da /EdkCompatibilityPkg/Foundation/Cpu | |
| parent | c07ed17d5b332b41f5ab0d18117b3cc03a52864e (diff) | |
| download | edk2-platforms-c69a09d928ca6f3f2785424b5e4eb50ec4dceae3.tar.xz | |
Add in .S file for GCC tool-chain.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5542 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'EdkCompatibilityPkg/Foundation/Cpu')
| -rw-r--r-- | EdkCompatibilityPkg/Foundation/Cpu/Pentium/CpuIA32Lib/IA32/CpuIA32.S | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/EdkCompatibilityPkg/Foundation/Cpu/Pentium/CpuIA32Lib/IA32/CpuIA32.S b/EdkCompatibilityPkg/Foundation/Cpu/Pentium/CpuIA32Lib/IA32/CpuIA32.S new file mode 100644 index 0000000000..45712ee810 --- /dev/null +++ b/EdkCompatibilityPkg/Foundation/Cpu/Pentium/CpuIA32Lib/IA32/CpuIA32.S @@ -0,0 +1,225 @@ +#/*++
+#
+#Copyright (c) 2006, Intel Corporation
+#All rights reserved. This program and the accompanying materials
+#are licensed and made available under the terms and conditions of the BSD License
+#which accompanies this distribution. The full text of the license may be found at
+#http://opensource.org/licenses/bsd-license.php
+#
+#THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+#WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+#Module Name:
+#
+# CpuIA32.c
+#
+#Abstract:
+#
+#--*/
+
+##include "CpuIA32.h"
+#include "EfiBind.h"
+
+#---------------------------------------------------------------------------
+ .586p:
+ #.MODEL flat,C
+ .code:
+
+#---------------------------------------------------------------------------
+
+.globl ASM_PFX(EfiHalt)
+.globl ASM_PFX(EfiWbinvd)
+.globl ASM_PFX(EfiInvd)
+.globl ASM_PFX(EfiCpuid)
+.globl ASM_PFX(EfiReadMsr)
+.globl ASM_PFX(EfiWriteMsr)
+.globl ASM_PFX(EfiReadTsc)
+.globl ASM_PFX(EfiDisableCache)
+.globl ASM_PFX(EfiEnableCache)
+.globl ASM_PFX(EfiGetEflags)
+.globl ASM_PFX(EfiDisableInterrupts)
+.globl ASM_PFX(EfiEnableInterrupts)
+.globl ASM_PFX(EfiCpuidExt)
+
+
+#VOID
+#EfiHalt (
+# VOID
+#)
+ASM_PFX(EfiHalt):
+ hlt
+ ret
+#EfiHalt ENDP
+
+#VOID
+#EfiWbinvd (
+# VOID
+#)
+ASM_PFX(EfiWbinvd):
+ wbinvd
+ ret
+#EfiWbinvd ENDP
+
+#VOID
+#EfiInvd (
+# VOID
+#)
+ASM_PFX(EfiInvd):
+ invd
+ ret
+#EfiInvd ENDP
+
+#VOID
+#EfiCpuid (IN UINT32 RegisterInEax,
+# OUT EFI_CPUID_REGISTER *Reg OPTIONAL)
+ASM_PFX(EfiCpuid):
+ pushl %ebp
+ movl %esp, %ebp
+ pushl %ebx
+ pushl %esi
+ pushl %edi
+ pushal
+
+ movl 8(%ebp), %eax #RegisterInEax
+ cpuid
+ cmpl $0, 0xC(%ebp) # Reg
+ je L1
+ movl 0xC(%ebp), %edi # Reg
+
+ movl %eax, (%edi) # Reg->RegEax
+ movl %ebx, 4(%edi) # Reg->RegEbx
+ movl %ecx, 8(%edi) # Reg->RegEcx
+ movl %edx, 0xC(%edi) # Reg->RegEdx
+
+L1:
+ popal
+ popl %edi
+ popl %esi
+ popl %ebx
+ popl %ebp
+
+ ret
+#EfiCpuid ENDP
+
+
+#UINT64
+#EfiReadMsr (
+# IN UINT32 Index
+# );
+ASM_PFX(EfiReadMsr):
+ movl 4(%esp), %ecx # Index
+ rdmsr
+ ret
+#EfiReadMsr ENDP
+
+#VOID
+#EfiWriteMsr (
+# IN UINT32 Index,
+# IN UINT64 Value
+# );
+ASM_PFX(EfiWriteMsr):
+ movl 4(%esp), %ecx # Index
+ movl 8(%esp), %eax # DWORD PTR Value[0]
+ movl 0xC(%esp), %edx # DWORD PTR Value[4]
+ wrmsr
+ ret
+#EfiWriteMsr ENDP
+
+#UINT64
+#EfiReadTsc (
+# VOID
+# )
+ASM_PFX(EfiReadTsc):
+ rdtsc
+ ret
+#EfiReadTsc ENDP
+
+#VOID
+#EfiDisableCache (
+# VOID
+#)
+ASM_PFX(EfiDisableCache):
+ movl %cr0, %eax
+ bswapl %eax
+ andb $0x60, %al
+ cmpb $0x60, %al
+ je L2
+ movl %cr0, %eax
+ orl $0x60000000, %eax
+ movl %eax, %cr0
+ wbinvd
+L2:
+ ret
+#EfiDisableCache ENDP
+
+#VOID
+#EfiEnableCache (
+# VOID
+# )
+ASM_PFX(EfiEnableCache):
+ invd
+ movl %cr0, %eax
+ andl $0x9fffffff, %eax
+ movl %eax, %cr0
+ ret
+#EfiEnableCache ENDP
+
+#UINT32
+#EfiGetEflags (
+# VOID
+# )
+ASM_PFX(EfiGetEflags):
+ pushfl
+ popl %eax
+ ret
+#EfiGetEflags ENDP
+
+#VOID
+#EfiDisableInterrupts (
+# VOID
+# )
+ASM_PFX(EfiDisableInterrupts):
+ cli
+ ret
+#EfiDisableInterrupts ENDP
+
+#VOID
+#EfiEnableInterrupts (
+# VOID
+# )
+ASM_PFX(EfiEnableInterrupts):
+ sti
+ ret
+#EfiEnableInterrupts ENDP
+
+#VOID
+#EfiCpuidExt (
+# IN UINT32 RegisterInEax,
+# IN UINT32 CacheLevel,
+# OUT EFI_CPUID_REGISTER *Regs
+# )
+ASM_PFX(EfiCpuidExt):
+ push %ebx
+ push %edi
+ push %esi
+ pushal
+
+ movl 0x30(%esp), %eax # RegisterInEax
+ movl 0x34(%esp), %ecx # CacheLevel
+ cpuid
+ movl 0x38(%esp), %edi # DWORD PTR Regs
+
+ movl %eax, (%edi) # Reg->RegEax
+ movl %ebx, 4(%edi) # Reg->RegEbx
+ movl %ecx, 8(%edi) # Reg->RegEcx
+ movl %edx, 0xC(%edi) # Reg->RegEdx
+
+ popal
+ pop %esi
+ pop %edi
+ pop %ebx
+ ret
+#EfiCpuidExt ENDP
+
+
+
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